let http = require('http');

// request response
// note: default port confusion
http.createServer((req,res)=>{
    // text/plain
	res.writeHead(200, {"Content-Type": "text/html;charset=UTF-8"});
	res.end("你好\n");
}).listen("80","helloWorld.com");

console.log("Server running at http://helloWorld.com:80");